unisonic technologies co., ltd smaxxv tvs diode for esd protection www.unisonic.com.tw 1 of 3 copyright ? 2015 unisonic technologies co., ltd qw-r601-073.c surface mount silicon zener diode ? description the utc smaxxv is a single line tvs diode, for esd protection. the utc smaxxv is protection in portable electronics applications. ? features * 50 watts peak pulse power (tp=8/20 s) * transient protection for data lines to esd=8kv (contact) eft=40a (tp=5/50ns) lightning=5a (tp=8/20 s) * small package for use in portable electronics. * suitable replacement for multi-layer varistors in esd protection applications. * protects on i/o or power line. * low clamping voltage. * low leakage current. ? symbol sod-523 sod-323 sod-123 1 2 1 2 1 2 ? ordering information pin assignment ordering number package 1 2 packing smaxxg-ca2-r sod-123 a k tape reel smaxxg-cb2-r sod-323 a k tape reel smaxxg-cc2-r sod-523 a k tape reel note: pin assignment: a: anode k: cathode ? marking
smaxxv tvs diode for esd protection unisonic technologies co., ltd 2 of 3 www.unisonic.com.tw qw-r601-073.c ? absolute maximum ratings (t a =25 c, unless otherwise specified ) parameter symbol ratings unit peak pulse power (tp=8/20 s) p pk 50 w peak pulse current (tp=8/20 s) i pp 5 a junction temperature t j -55~150 c storage temperature t stg -55~150 c air discharge 15 kv esd discharge iec61000-4-2 contact discharge v esd 8 kv note: absolute maximum ratings are those values beyond which the device could be permanently damaged. absolute maximum ratings are stress ratings only and functional device oper ation is not implied. ? electrical characteristics (t a =25c, unless otherwise specified ) (v f = 0.9v max @ i f = 10ma for all types.) test current reverse stand-off voltage reverse breakdow n voltage v br (v) reverse leakage current i r (a) clamping voltage v c (v) junction capacitance c j (pf) device marking code i t (ma) v rwm (v) min max v rwm (v) max (typ.) i pp (a) max v r (v) f (mhz) sma3v 3 1 3.3 4 20 3.3 10.9 5 100 0 1 sma5v 5 1 5 6 5 5 14.5 5 80 0 1 sma7v 7 1 7 7.5 0.15 7 22.7 8.8 85 0 1 sma8v 8 1 8 8.5 5 8 13 5 70 0 1 sma12v 12 1 12 13.3 5 12 17 5 60 0 1 sma15v 15 1 15 16.6 5 15 22 5 50 0 1 sma24v 24 1 24 26.7 5 24 32 3 25 0 1 sma36v 36 1 36 40 5 36 55 1 20 0 1
smaxxv tvs diode for esd protection unisonic technologies co., ltd 3 of 3 www.unisonic.com.tw qw-r601-073.c ? typical characteristics power deartion curve ambient temperature, t a (oc) 0 30 60 90 0 25 125 10 40 70 150 20 50 80 75 50 100 100 peak pulse power 8/20 us average power capacitance vs. reverse voltage reverse voltage, v r (v) 0 60 01 40 5 20 80 3 24 100 sma5v sma5v utc assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all utc products described or contained herein. utc products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. reproduction in whole or in part is prohibited without the prior written consent of the copyright owner. the information presented in this document does not form part of any quotation or contract, is believed to be accurate and reliable and may be changed without notice.
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